Collette Strain

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Collette Strain
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Green Obsidian; This sensational material with glass transparency was considered more valuable than gold to the Mayans. Obsidian is basically a natural volcanic glass. Obsidian exists in other colors such as blue and black. Its widespread and varied use may be an important contributor to the lack of metallurgy for primitive cultures of Mesoamerica.

The translation into English of Natural History written by the elder Pliny of Greece shows a few sentences on the subject of a volcanic glass called Obsian, so named from its resemblance to a stone found in.